Machine for producing finished shafting.



PATENTED APR. 23. '11.35A

. W. J. MUNCASTBR. MAGHINB FOR PRQ'DUGINGHNISHBD Summa.

APPLIOATION 'ILED APB. 20,1905. Y

10 BHBETB-SBY-ill 1.

"Nm 851.547. K PATETBD APR. 23, 190';A

` W. J.l MUNGASTER., MAGHINE POR PRODUGING FINISHED SHAFTING.

APPLICATION FILED APB.20.1905.

N, mmmyawmw vPMENTBD A131523, 1907. W.'J. MUNGASTER. MACHINE POR PRoDUcm-G FINISHED SHAPTING.

APP-LIGATION FILED APR.20.1905.

4 10 8HBBTS-SHBET 3* atbouww 'News-1,547.7 PATENTBD APR. 2s, 1907.

W. J. MUNCASTER. MACHINE BOR PRODUGING FINISHED SHAPTING.

mQg/m PATENTED APR. 23, 1907.

W. J. MUNCASTER.

MACHINE FOR PRGDUGING FINISHED SHAFTING.

APPLICATION YILED APR.20,1905.

10 SHBETSSHEET 5.

ati-outset;

No. 851,547. PATENTED APR. 2s, 1907.

w. J. MUNG'ASTER.

MAGHINB'FOR PRDUCING FINISHED SHAFTING.

` APPLICATION FILED AFB. so, 1906.

10 SHEETS-SHEET 6.

PATENTED APR. 2S, 1907.

W. J. MUNCASTBR. MACHINE FOR PRODUGING TINISHBD SHAPTING.

APPLICATION FILED APB.. 2.0, 1905.

tu E K a ...o

wat sa PATENTED APR. 23, 1907.

y W. J. MUNCASTER. MACHINE FOR PRODUGING FINISHED SHAFTING.

APPLICATION FILED AP.20.1905.

10 SHEETS-SHEET 9.

No. 851,547. PATENTBD APR, 23, 19o?. W. J. MUNGASTBR.

MACHINE POR PROYDUCING FINISHED SHAPTING.

APPLIGATION FILED APR. 2o. 1905. 1o SHEETS-SHEET 1o.

"nr-tiran l.srarns` WALTER J. MUNCASTEP or annessi.

CUMBERLAND ernst COMPANY or ALLEGANY LAN D,

MARYLAND, A CORPORATION OF MARYLAND.

-MCHINE FOR PFoDUC-ING FNISHED SHFTlNG.

Specication of Letters Patent.

Patented April 23, 1907.

Application tiled April 20, 1905. Serial No. 256,612.

'To all whom it may concern.' f

, Be it known thatLWALTER J. MUNoAsTER, 'a citizen of the Unitedv States, residing at Cumberland, in the county of Allegany and `State of Maryland, have invented certain new and useful Improvements in Machines for Producing Finished Shafting, of which the following is a specification.

This invention has for its object the xo economical production of highly finished shafting of true cylindrical forni and accurate gauge or diameter'. The invention consistsin a novel construction, correlation and arrangement of t5 parts, whereby one mechanism is caused to deliver to another, and the rough bars are `passed through the machine automatically, emerging finally as highly finished shaft-ing.

By the novel combination of several mech- 2o anisms in onfe structure l attain various important ends. Among these may be noted .the lessened cost` of machinery, reduced floor space required, saving in power, lessend attendance, and more important than 5 all else, such a support of the work at every stage that the several tools and ap lianccs are enabled to act thcrco'n with an e iiciency hithertoY unattained, so far as I am aware. From this there results a greater life of the tools, an accurate and. true turning of the shafting, a better finish ofthe same by the grinding wheels, and a final cold rolled polish such as is producible only Where the preliminary treatment is of the character now -iirst attained.

The invention as embodiedy in working lmechanism is illustrated in the accompanying drawings, in which:

Figure i is a front elevation ot the machine complete, except that a section comprising one or more of the grinders and steady rests is removed to bring the whole within the limited space of the sheet, the portion removed being, however, identical with a portion shown Fig. 2, a vertical cross section on the line 2-2 rof Figs, 1 and. Fig. 53, a section on the' line 3-3 Vof Fig. 2; Fig. A4, a section on the line 4-l of Fig. 3; Fig. 5, a section on the line 5-5 of Figs. 1 5'0 and 6,-with the feed-rollers removed; Fig. 6,

a section on the line 6.-6 of Fig. 5; Fig. 7, a

.section on the line 7-7'ofyFig1 5; Fig. 8, a

erspective view of one of the roller boxesor earings, its spring and follower; Fig. 9, a perspective view ofthe Spanner or lever used for adjusting the roller boxes or bearings; Fig. 10, an elevation ol roll closing or adjusting mechanism, showing a portion of the roll housings and a pair of the roll boxes or bearings in section; Fig. 11, an enlarged section on the line 5-5 of Fig. 1 Fig. i`2,-a.nen larged vertical section on the line 12-12 of Fig. l; Fig. 13, an elevation of the housing in which are mounted and guided the `rolls of the fsteadyrest, Fig. 14, a artl sectional top plan view of the lever-an -Weight mechanism which serves normally to close the rolls upon the shafting under operation, the section being taken on the line 14-`11 of Fig; 10 g Fig. 15,a detail View showing the provision for adjusting to proper relative positions tlie two racks which move opposite ends ot the rolls or their boxes toward and from each other Fig. 16, an elevation of one ol' the roll housings or supporting frames; Fig. 17, a section through said housing, on the line 17-17ol`1Fig- 16; Fig. 18, a section on the line 18-1 8 of Fig. l, showing in elevation the lirstcutting tool and the rest which supports the work while said tool operates upon it; Fig. 19, a front elevation of the double tool carriage, with roughing and dressing tools; Fig. 20, a section on the line lf3-19 of Fig. l, looking from the opposite side of the cutting-tool support and showing in elevation the second cutting to'ol and the work support-s; Fig. 21, a vertical section through thc tool carriage, on the line'21-21 of Fig, 1S; Fig. 22, a l1ori zontal section on the line 22-22 of Fig. 18; Fig. 23,` a perspective View of theI steady rest or woxk'support used with or as a part ofthe tool carriage Fig. 24, a perspective. view 'of thebushing used to guide and support thc work between the roughing and final cutting tools; Fig.- 25, an enlarged sectional view ol portions ol the Work rest or support, on the line 25`25 of Fig. 19; Fig. 26, a section on the line 26-26 of Fig..32, through one of' the grindix'lg rolls, its gauge' roller, and the. guide through which the shafting'passes to saidparts; Fig. 27, a pers ective View-of one of the rollers wit i its carrying.block`;,l ig. 2Q, a section on the line 28-28 et rigii-aeptluongh IOO guide one of the guide rollers; Fig. 29, a top plan view of a pair of the grinding rolls and attendant parts, a portion of the latter being shown in section; Fig. 30, a transverse vertical section through the machine, on the line -30 of Fig. 32, showing one grindingyroll and its co-operating parts in side elevation; 'Fig 31,

a perspective vieu7 of one of the grinding roll gauge rollers and its carrier or support; lfig. 32, a front elevation, partly in sect-io a pair of the grindingI rollers, with their gang; ing rolls, &c.

Prior to my pres finished shafting has been very costly to produce, for the reason, primarily, that numer-v ous independent operations have been re-Y quired, involving a very considerable amount of attention and manual Work. With a vienT to reducing the amount of manual Work, and to rendering the same as simple and ineXpensive as possible, l have heretofore devised various machines and cont'rivances, amongl tion of the shafting, and to render automatic iro and continuous the Work of finishing the shafting from the time its' leading end is entered at one end of the machine, until the finished shafting emerges from tlieother end thereof. l fIhe improved machine comprisesifeeding rollers by which the' shafting isl drawn into vand advanced through the machine; center- I ing guides or rests ,which support, center, and

. guide the shafting; cutting tools, Whichare arranged .to tslre first' a roughingor prelim? nary cut, and then a final or ,gauging cut; a bushing which supprts and guides the Work between said cutters; calipering devices coacting ,with the cutters to 'ensure accurate gauging of the Work; grinding and polishin ,Wheelsfor imparting asmooth surface, anc

high polish to the shafting; and nally, a set `of rolls Which serves the two-fold purpose of drawing the yfinished shafting from the machine and imparting a rolled poli/sh thereto in the',` act of delivering it from the machine. A.

Mechanism is also provided, 'whereby the attendant may, from his position in front of the cutting tools', control theV separation and roach "of the feedr rolls, and the polishing-v or elivery rollsgas required..

ent invention, highly .y ,a universal sansa? other mechanism `without the need of manual intervention. By this combination and arrangement various feeding mechanisms necssary With independentmachines, are dis- 'ensed with; the floor space required is form a given amount of Work is materially lessened; thecost of one complete machine is vastly less than that of the several independent machines; the manual labor and personal attendance required are reduced to a minimum; the Work is firmly supported at every point in its travel; and finally,the quality of the Work is improtfed .because the. different mechanisms act upon the shafting under the same conditions in all respects, Whereas in transferring it from one to another machine it is impossible to maintain like conditions throughout. y Having thus stated 'generally the purpose and character of my inventioml will nonr describe the preferred embodiment thereof, observing, however, that various of the details may be altered Without departing from its spirit.

Referring to the drawings, A indicates along horizontal bed or frame, supported at suitable intervals on stools or pedestals B. C indicatesav shaft extending lengthwise of the framey or bed A, and supported in` suitable boxes or bearingsA Within the same, its 'rinde projecting beyond the frame, as seen in *i 1. Whgeel D, and a inionf @,and at the other end a pinion'b, the and-wheel being for the purpose of receiving` a driving belt extending thereto from any convenient prima, intor.

Pinion 'a meshes with a gear-Wheel E, carried by a tubularsliaft or hollow mandrel F, jour-- naled in suitable housings G rising `from frame or bed A, as shown in Figs. 2 and.

l greatly reduced; the power necessary to per- IOO At one end, the shaft C carries a band- Bet-Ween the housings the shaft or mandrel F carriesa'pinh'in c, which gears With'three similar pinions d, carried by three shafts 1 also journaled in the housings, as better in ivcated in Fiona. Each shaft f is connected byl ranged bar or member 7i, which bars are in turn connected by universal joints 'i with v'rollers H. I y

The rollers H are designed' to draw in the shafting to be operated upon, to rotate it and, advance it longitudinally through the. nachine, hence they are set more ,or less angling or oblique to the airis .of travel of the'shafting joint g, with an obliquely ar.`

Their opposite ends are carried ingbox'es, ad-

.instable in approximately radial lines, in. housings or stationary suppcrtsl, I, yas will l be better understood uponlreferring toligs. v

l the rollers may beer upon the to 11, inclusive. In said. figures, I, Lero the roll housings, suitably bolted or otherwise secured to the mein frame A, and each formed with three equally spaced guidewnys, the axes or medial lines of whiehare tangential to o. small circle concentric with the housings.- This provision is made in order that between them at en angle corresponding to the spiral line described by any point in the circumference ofthe shutting as said shutting rotates and advances longitudinally. It is designed to be the mean between the angular 4, werd in their guideways, by sired the feed-roll journal separated.

positions demanded by the largest ani the smallest shnfting handled. The rollers thus positioned may appropriate] f be described asin spiral order or relation to the axis ot' the Work or shafting operated upon, each roller having'its axis oblique or inclined tothnt of the shafting and to the axes ofthe companion rollers.

The guide 'nys are in the form ol flanged o enings in which ere mounted or through w ich extend journal boxes J, formed with substantially rectangular guiding portions to fit the guideweys, end with lugs or'ars to retain them therein. Two ot the guideways of each housing inline dm nwerd from then' inner ends or from the center ol' the' housing toward the circumference thereof, end the journal boxes J- will tend naturally to move outfravity. If de- -boxes may be pressed inward by springs, to enable themto yield to slight irregularities in the bars or shefting treated, This construction is illustrated m Fig. 8, where the 'parts are shown The semeconstruction muy be ap lied alsoto the journal box of the upper rol which is, however, moved outward positively. All the boxes are forced inward mechanically and at the seme rate, by ineens of a cam ring K, one lor each set or' boxes; in

other Words, es there are two housings und two sets of boxes, one set for the journals ol" each end of the rolls, there are two cam rings The rings K :are turned truly circular,

and each lies tlotgugeinst the inner face ol' the housing yto which it is aviplied, heilig hold in such position by [hinged ing blocks f'r, bolted to thevhousings, as seen in Fig. 5. 'The l'lousings are 'connected und braced byti-rods l, as shown in said figure. Each ring has three eccentric or cem portions 7n on itsinner hice, euch ot' like curve.- tnreand relntion to the center ol' the ring, und each designed to bear agninstt-he outer end ol' the guiding block or portion ol` one or nnother of tl the ring is turner boxes move wurd. 'lo move tho upper box J outward when the ringr is turned in the reverse direc.-

l in proper direetionthe tion the. upper cam m is formed with a projecting 'flange n, and a plate o, having a, laterie journal boxes J, so that when' simultaneously and equally inshaitting passing Y three-Mined lever, retaining and guidally projecting nose to overhang seid flange, is bolted to seid box, ,es shown in AFigs. 5 end 7.

lt is desirable vthat the ot' the rings .K be limited .ing the proper prelii'ninn-ry adjnstnient of parts the journal boxes can be moved inward to a deiinite extent but no farther, the initial adjustment being made to suit the diameter of shafting to be operated upon. For thi..n )u-rpose the periphery of each ring is providedI with a series of notches p, to receive the lip or bent end of s stop block g, which muy be bolted to the periphery of the ring at Avarious ositions, in each oi which the li 'i or bent end of the block will enter and be l1 lin one of thenotehes p. serve 'the double closing movement so that utter mak- The notches thus )urpose'oi accurately locating the stop bloclc, und preventing its shifting from luce, the fastening bolt being thereby re ieved of most otv the strain incident to the stop being brought forcibly into contact with one of the blocks f, by which its movement is arrested. Further or liner adjustment is secured by meuns of u screwstem c3, provided with jam-nut d, und screwed into the block cwith which stop block g eo-acts, see Fics. 5 and 11.

1t is desirable that t 1e journn-l boxes at opposite ends of the rolls be moved simultaneously and equally both Vinward and outward, end Yl therelbre provide the actuating mechenism illustrated in Figs'l, 5, l0, 1]., I4 and l5. As seen .in Figs. 5l and ll, the periphery of ring K is formed or furnished with gear teeth, with which mesh the similar teeth of a rack-bnr 1.--, jointed to a vertically reciprocating rod 1', movable through n suitable guide on the main frame or bed A, as seen in lfigs. l, l() und il.' Both rings K are thus constructed and equipped, and the two rods r are connected to the outer endsof two oppositely extending arms s, s, of a lever whose tulcrum is a rock-shaft M, carried in hangers beneath the traine. or bod A, as seen in 'Fics l, l() and 11. vRock-shaft M Curries a radial arm N, keyed or otherwise made fest upon it., which with the arms (s, s, constitute a the powcrbeing applied to the'outer end of arm N, und the work or load being carried by the outer ends ot' the arms s, s. liach'nrm s, ns also the arm N, is l'orked or yoIw-slmped :it its outer end to receive a pivotal blork t, cnrriml by pivot screws or bolts poss-ing through the yokearms, as seen in Fig. 14. Each block t is bored, as shown in- Fig. l5, Fig. 10, the block tot' arm N lower side, to permit a weight u to be hung therefrom. Rising from block t ol' arm N is a rod o, which consti tutes the piston rod of a Ahuid-pressure motor t), by which the arm or lever N is elevated, the weightu serving to lower it when the cylinder ol the motor is vented or exhausted.

ield v und as seen in.

The movement of the piston and of arm or lever N and arms s, s, is comparatively slight, end as they move just ebove end be 4lovT a horizontal position, the curvature o' the paths of blocks t, t, ,vis so slight as to bey neglible, though the cylinder is preferably mounted` on trunnions 7f3, to prevent cramping or binding of the rods carried by them.

Risinglf'rom the bloelrs t, t, of arms s, s, are the two rods r, 7, each having pin-jointed to its upper end one of the rack-bars L,.Which bars mesh With the teeth of the rings K, es above mentioned.

Owing to the faotthat the arms s, s, extend in opposite directions from the rookshaft M, one will rise as the otherfalls, and es they are at the same side of the common axis ofrotation ofthe rings K, they Will of course turn the rings simultaneously in opposite directions. To compensate for this, and cause all the journal boxes or bearings J to move invf'ard or outward simultaneously and equally, the Gamsof one ring are reversed with reference to those of the other; that is to say, those oi. one ring Widen in the direstion ofthe travel of the hands efe cloak, and the others Widen in the reverse direction.

In first adjusting the rollers for a given sizev of shafting'br in changing from one to another size, the stop-.block g requires to be properly set, and the rings K must be so turned or' set vvifth reference to their racks andthe actuating mechanism therefor, that just the proper rotationef the rings end consequent separation' and approach of the rolls shall .be effected. To permit such adjustrnentj each rack-bar L is normally' held in engagement with its ring K by a 'flanged roller P, earriedby one of the tie-rods Z, as seen in Figs. 5, 6 and l1, and capable of being latere ally shifted upon seid rod to free the raelis sind permit rthem to disengage the rings.

When thus freed, either ring may be turned forward or backward as requir d, a wrench or Spanner Q (Fig. 9)' being provided for the' purpose. The wrench or lever Q is prefers ably provided with two studs or pins to enter sockets formed in a face of the rings, :is shown in Fig. 5. The Wrench or lever shown on a reduced scale as compared with Fig. 5.

It is necessary to roperly' position the racks not only with re ation to 'the rings K,

-but also to the arms s, s, and lever or erin N,

in order to'give the roper amount of rotation to each rlng, en cause their stop-bloel s to reach .their arresting abutments at the r, r to the arms s, s or .their blocks t, fin the manner illustrated in Fig. 15, Where it will be' seen that one of the rods is threaded a oonsid'ereble distancey at its lower end, and

screwed intol an elongated nut lw, Whiohiu T o this end attach the rods' bleek t, and made it'ast therein by 'a nut bheneath the block. The other rod r is merelyT passed through itsiblook i and directly se- Ciired tneretoby a nut beneath the bloeit, which serves to ldraw en upper nut or shoulder` of the rod. iirmly against the top ofthe bloeit. By screwing the rod 1" into or out' of L will be lowered or raised relatively to the racks een thereby be Changed and adjusted es desired. .in this Way, and by properiy setting the rings K and engaging the rachbsrs therewith, the proper relative movements of the rings and consequently of the roller bearings or boxes een be ensured. This provision ior independent adjust-merit of the reeks is quite importent, because inpractie it is sometime?` four-.d necessary te the radial distences of the two ends of the Aelle from the fixed sommo-n exis Iabrrit wich may .be ehanged from grinding, er :fore/ding a( ing and `.,f lrerieiiig effect, or thi .iighly efheient polish in .me constructies. end an L ploj .l et the delivery end of the in henri detailed description theree'wiil not loe tlie purpose ol'supplyi Q' pressure ll i "o motors which eiiect appreaeli of of the two sets, l grirerifgle s pressure-huid pipe it, which, passing ironie boter, zieeuinuieor or other source of supply aceordin to the nature of the illuid ernployeil, lY "relies and extends earth wey 'from the r' in end extends to the motor eyi inders, es en Fig'. l..

S, ri indicarle iwi-'o three-wey Coe-lis', one on either side le main er supply pipe, eaelf. designed lo roiurol the supply and "naust of' one motor. 'tetor turned to one position, each valve closes Communication l.: t "een the ,suture et supply and the meter t tween the motor and .he atino lurned to its second positionvit opens een uumieation between the main end the .uint/.ir eyliruler, but rloses oomniunieetion` el the j cylinder with the atmosphere. .ln its third l pesition, the valve Closes coininunicaiimi l el tween the cylinder and the main, but vents erm s, end the relative positions of the tWe nut to e greater or less extent, its r: ek-bar ythe cylinder or opens it to the atmosphere. 'In this way the attendant of the machine, standingv at or between the valves S, S, can cause arm N of either or of both lever's to be elevate/d, and to raise one and lower the other rack L of either or both pairs, thereby spreading apart o1' drawing together the rolls of either or )both-sets, as maybe re- I quired, the weight serving to lower or .re-

verse the movement of arm lN-when the' cylinder is vented, and the extent o'f lowering being determinable by the extent or time of' such venting. `bviously, a double-acting fluidfpressure motor may be used.

T indicates a steady rest, located intermediate the rollers -H and the cutting tools, and its urpose is to receive the advancing end of t e shafting, center it, direct it properly to the preliminary cutting tool, and steady the shafting as it passes the first cutting tool, goes through a bushingr interposed between the first and second cutting tools, and passes the second cutting tool.

The cutting tools have been above referred `to as taking respectively a roughing cut and 'a gauging cut, and in a general sense this is A. correct; but the first out is itself a gauging cut aswell as a roughin'g cut, tothe extent that it brings the shafting enter the bushing.

The' steady rest is a very important feature in the ,construction of the present machine.

to proper size to 'In order 4to dispense with the services of an attendant or attendants to properl center- .3'5

' i sent itto the cutting tool, and cause 1t to enthe shafting as it comes from therol ers, preter' the bushingA in amanner and forni to 'i f guard against injury-thereto, the shafting must beaccurately centered and firm] supportedby the stead rest at a p'oint c ose to the' cuttingtool, and cut away to the proper extent evenly. and concentrically with itsl axis.

The construction of the steady rest is illustrated inv Figs. 12, 13, 26, 2-7 and 28.-

housing, which is bolted to the bed or main.

" vframe of the machine and occupies a vertical ,Referring toliigs. 12 and 13, U indicates a position Athereon between'thereceiving rolls i and the cutters. The housing is formed with three radially arranged openings, as v,seen in Fig. 13, the parallel sides or walls of which are ooved or fashioned to receive and guide' A locks V, each of which carries a roller the form bf the blocks and rollersbeing shown 4in A Figs-26 and 27 which latter figures show a similarl rest used at another point in the machine. 'As shown in Fig. I26, the housing is formedwith' lugs or projections yon one vertical'acc, .which are of segmental form, their inner faces being concentric withthe point of v.intersection of the guideways in which the blocks V move. A hoop or'ring W, Figs. 12

and 26,? is placedv in contact with the lface vof ',-vtheaihiusing its periphe just touching the siuneiffaces fthe lugs yirn which positionit 'is retained byplates e,

bolted or otherwise fastened to the vertical faces of the lugs. T he ring W is formed with three cani-like '0r eccentric faces c', each haug a projecting flange or rib Ii', Figs. 12 and 26, which ribs are-received between the outer ends of .the blocks V, and hooks c forn'ie'd upon orseeured to the blocks and ovcrhangiug,r the ribs b', as in Fig. 26,-the form of the block 'and its hook being clearly shown in Fig. 27. lt'will readily be understood that if the ring be rotated, the cams will force the blocks inward i or draw them outward, according' to the direction of rotation. Each block V is bifureated, as seen in Figs. 26 `and 27, and between -the two arms is mounted a roller su, carried b an axle e.' rlhefrollers :c are of the form s iown in Figs. 26 and 27, being beveled om the receiving side or side from which the shutting a preaches. The purpose of thus lieveling'r tie rollers' is to facilitate the entrance oi the shafting between the rolls. In order to hold the ring i at anY desired adjustinent, its eriphei'y is provided with ratchet-teeth fl), as shown in Fig. 12, with which engages a pawl or dog g. By lifting the iawl, the ring. is free to be turned backwar forward rotation being of course practicable without. regard to the pawl, as it will freely lift as the ratchet teeth move forwardK beneath it. The adjustment is made for shaftin(r of a given diameter, and remains uuchanged 'ferre'd to a first and second cut, I prefer-in practice to employ four cutting/tools. the first two carried by one tool head, and the third and four.-I caf'ied by independent heads, the several tools being set to'cut until shafting of a different diameter is to be handled. The shafting having;` passed progressively nearer to the axis oi the shafting.

', A.Referring toFigs.' 18 to 22inc1nsi've it will be seen that there is a post or standard rising from themain frame or bed ofthe ma'- chine,.toone side of which is ivoted an arm Y, Figs. 18,- 20, 21 and 23. he upper vpart of theA post is-formed with a cylindrical o ening, the axis of which is horizontal, an the upper Wall of which is formed by a removable ca This opening is designed torecelve a split bushing Z, shown in position in Figs. 18,

' 20, 21 and 22, and detached in Fig. 24. lThe post isfurther formed with horizontal guideway. This eens bearing upon the upp enters a notch or groove in the side ways 7L. and i', to receive tool-carrying slidesv or tool heads A and Bl', of the form shownin Figs, 1S and 20. These heads are lformed, with dovetail ribs on their under aces'tet the guideways, as seen in Figs. 19 andf? and each has a rearward dowiiwardlyl vre tending arm j in whioh is 'swiveled a screwff, 7c', the stern of which enters a threaded socket in the post or standard X. The outer end of each screw'is made polygonal to receive a, Wrench or other tool by which to turn it, the

screws thus serving to advance or recede the tool heads. The head B has at one y'side of. its guideway an adjustable wearingistrip l', slightly tapering lengthwise, and. movable longitudinally by an adjusting screw m", rol vided with a collar, the periphery. of w 'cli oic the strip Z, so that by turning the yscrew to the right or to thcleftl the stripinay be advanced or receded to properly' fill the'space between the guiding rib of the tool head and its guide' truction enables ine readily to compensate for wear, and to maintain that degree-of rigidity ofthe tool head essen: tial to 'lne work. Aglike provision may b e made for the head A.

'To revent the work'frbmspringing away from t e tools oi head AJ, l providel a'rest C',l of the forni seen iiilligs.'E 18,21', 22 and 23. It will be seen upon reterring to said gures that, there is an angular'casting n, bolted or otherwise'secured to the post or'standard X, which casting is provided with a tubular barrel o" on one side or end to receive and guide the stein or shank p of the rest C', the'stein' being' tree to slide within its barrel o', when relieved of the friction-incident to the tigli ening of the bolts whiohnserve to contract said bar i'el upon the shank. An adjusting screw g', carried in an arm or bracket of the casting n', servesto nieve forward the rest C and accurately' to set or gauge its position. It also aids in preventing its backward niovement. The bearing block of the rest C, that is to say, the ,forward block which bears directly upon thev shafting and immediately supports the same, is secured to the head of the stem o1' shank p by bolts passing throughve'rtical slots in said block, which projvision erniits vertical adjustment of the rest C" to adapt it to'sliafting of different dianieteis.

A vertically ,disposedl adjusting screw t',

er .end of thev block,

serves to adjust it andaids in preventing itsA upwardinovement when adjusted. ARollers may be substituted for rest C, to bear onthe side and topoi the shafting, after themanner of rollers b and 2, Fig. 20.

' The cutting tools ff", sf, being elani ed in the tool lieadA, said tool headand t e rest: J. C are adjusted to receive-shatting of given diameter, and to taire therefrom roughing ,eut or outssuficieiit to insure the entrance. oi

v thesiiafting into the'bushing 221 busi l ing, as shown in Fig.

'largest bushing used, which may or maynot' aeree? 24, is provided with eikternal 'longitudinal ribs, which will be foined upon' the several bushings for` shafting'of diie ferent diameters, with the exception of the have such' ribs. etiuojtion is to permittlie use of a bushing of siiciently thin metal to be'- readily, sprung t'ajg'liinited amount ,to nicely adjust it to shattingiot given diameter, and yet have it Witheach successiye'inerease inv internal di-` ;lametervof' the bushing. vthe ribs .will be re.-v du'oed in thickness, and this way anni v forrn thickness .of metal. in the body tithe bushing may bek inaintai'ried',v together with a ro `er internal and external diameter of the us ing. l As shown in Figs. 2l, ZZand 24, thevbusb'f. ing is (p 1 l exten pasttlie walls of its seat or opernng, at one side of the post-X, and preventits being forced'irom its proper osition by 'theK -passage ofjthe sbaiting throng i it,^aiid a'stuo.

turning. The shaftingis sustained aguil/ist j i springing at the further or delivery end-ofthe.

'bushing Z, byineans oi roller rests carried b* 'the pivoted arxii Y., abb-vereierredto, whic arm lalso carriesa third guideway, l l tool head D in whi h isiulBf-l ornfiriishing cutting tool wif l' thirdtnal-.QZ

`being carried by the tool lie Wpalifeady described.

as the oase et tli'e vtool heads A and 'BQ-,1.

.tionsan same. As beloi'e pointedl out the arm Y upward, and 'finally forward to overhang the4 shafting. lts forwardly extenrling part -isi provided with a split b mounted and clamped the stein of avertically adjustable roller-carryin'pT yoke y', the j lower biturcated end of which carries a rollers, to bear upon the upper side of tlie shafting to prevent ,I

leaves the bushing and while bei i uponby'the cutting tool fw. Similarly, a

provided at its inner end with'aroller b2, has its shank mounted and' olarnp'edin a barrel shown in Figs. 22 and 23, the arin'Y is'pro-.rl vided with a lateral lug or projecti'o'nfdi,v

vwhich, opening` is wide, c'iioug1 limited .movement of saidlug or projeetion. A pin or rod e2, seated in an *openingv Ain n'. bracket of the c ng* 1i on post Xfbaars at one' eiideoainst the' lateral proje'cti 2 .7C The purpose oi this oonj .75 -iiiltliespac'e 4provided for it 'in lthel pest X..

rovided with radial projectionszwliicii" Si,

or its equivalent, (Fig. 22 prevents it from o l The construction and inode utp, .adjustnierittof the tool heed DA are vthe-same fiel but the guideway u isin this case mounted2f r upon or made integral -with the rocking orff swinging. arni Y, hence partakes ot its-mod causes its cutting tool w' todo theiog passs to the rear oi the shafting, thencef arrel 01:', lin which is f o horizontally ii'iovable roller-'bearing yoke a?, f

so 1,5m

lever'f2 fulcrumed at one end in the casting n ou post X, and pressed against the pin by a spring g2, encircling a threaded stein h2, and compressed tothe desired degree by a nut 'i2'.

By this construction and arrangement oi parts', therollcr b2 is-caused to act with a yielding pressure upon. the shaEtiUg, and tov follow u the same in the event ofv any portion of less iameter than others coming opposite .io the roll'er. An adjusting screw jz, passing through a bracket oi the arm Y, is arranged p in axial alinement with the shank or stem of the roller-bearing oke a2, for the purpose of accurately adjusting the roller b2 to the x 5 shafting. 'Whenever the roller b'is subjected to rearward pressure, as, for instance, by reason of any eccentricity, springing,or irregularityof the shaft-ing in Contact with the 'roller b2, the entire swinging arm Y will be 2othrown backward, but in so doing will bring forward the tool carriage D and its finishing tool w', thus maintaining a constant relation between the tool and the rollers which support it. Inv this way the tool and therests 2 5 are caused to caliper the shaiting and insure .f its beind turned to the precise* diameter for 'which the parts are set or adjusted. f-

it will he observed, upon referring to 18 and 20, that the tool heads or carriages 3 A', B and D extend well under or beneath the shafting, being inclined thence outward, andthat the tools are set at an angle to the' horizon, their cutting ends being` highest.

` By this arrangement l am cnabiedto get the! 5 5 lproper shape of the cut-ting end of the tools,

- themto a suiliciently acute angle,

Without reducing their strength to an undesirable degree. n this way maintain adequate strength of the cuttin nosefof each 4b tool, and present the tool to the work at the angley most desirable for smooth and etii-.

cient cutting. This is quite an .im ortant consideration in' machines for per orming Work here contemplated.

-From the cutting tools the shaiting passes to another steady rest LE', which is of pre:

. cisely the'same Aconstruction as the steady rest T before described, and the sama is true of succeeding steady rests, o f which as many will be provided as may be rendered neces- 'lsary by the number of grinders employed, it being deemed desirable to employ a series of from thrceto six such grinders ot progressively greater iineness, so as to bring the sur- `face of the shafting to a very high degree of finish.

The office of the steady rests E, which rests alternate with the grinders, is to give the greatestpracticffible degree of steadiness 6o to the shafting, and to maintain it in true axial position with reference to the working parts of the machine throughout.

The grinding mechanisms, which are identical in mechanical constuctionand inode of operation, are illustrated in Figs, 29, 30,

31 and 32, and their relation to other parts ot' the machine is shown in F ig. 1., where, as before indica ted, only two such mcchanisn'is are illustrated, the machine being broken in two land a section omitted to bring it within thc required dimensions of the drawing sheet, without unduly rediic'ing the size of the parts. Referring to Figs. 30 and 32, it will be seen that there is mounted or swiveled upon thc ends of hangers S carrying a second power shaft R, beneath the main frame A` of th'e machine, a series of'swinging frames F', of inverted U-form, cach having a suitably divided box at the lower end of each. arm or member to erxnit application to and re- '8c inoval from tlhe reduced ends ot the hangers S. Each frame rises to a point above the axis of work of the machine, that is, above the axis of the shafting passing through the machine for treatment. At a height corro spending to that of 'the axis olf Work, cach. arm of 'the frame is provided with a divided -box or. journahbearing k2, in which boxes are carried the journals of' a shaft Z, u on which shaft are secured a grinding whee m2 and a 9o band-pulley n2, about which latter passes a belt 0"', which receivesmotion iroin'a pulley. p2 carried by the power shaft R. A suitable rood @and spout 1"" cover theouter' and lower side of the grinding-wheel me, the spout receiving the dust, and particles thrown oil by j the grinding-wheel and directing them 'do Ynward, from the shaiting and from th face of the attendant moving about the machine. -Extending from one to another of roc they steady-1'est housings is a horizontal plate or casting G', having opposite. the respective grinding-wheelsof the series, openings with parallel walls to receive and guide the upper 4portions of vertical roll-carrying frames H", x'o5 of which there is one for each grirnliiig-wheel. The lower end of each frame li .is biturcated or provided with an inverted U-shapcd guide to straddle and slide upo'n a guiding upright or stendardi', secured to and rising from the I 10 main .frame-A ot' the machine. lach frame' Ii carries a roller J, the shaft or axle oi which is journaled in journalboxes or bearings s-, projecting* from a circular plate t? swiveled in a seat in the inner face of the 151,5

trame H', and provided withaii arm il?,

which'extends between two lugs fugoi anar-xn pro]ect1ng laterally from the frame H, as seen in. Figs. 3l. and 32. rlhelugs or ears er' `are tapped to receive adjustiiig screws or Yao.

bolts wf, which,. being suitably adjusted, serve to t`ip the swivelod plate t2 to give a gneater crless degree ot inclination to the shaft or axle of the roller J and consequently to throw said roller inorc.ol less out ot the perpendicular, ii desired. y f

The prfcssure or bearing rollers of the steady rests are all similarly set withtheir axes at an angle to that of the' sliai'ting. The purpose of this inclination or Obliquity is to 3o clamped by a screw 0" in pgevent slipping or rubbingv friction und toY G..

sure rolling pressure. The variation inthe ongle incident to operating upon shaiiting of larger and smaller diameter within the range of agiven niachineis so smell that it is sull'.- cient to adopt a ineen adjustment for some of the rollers at leest.` l

The lower end oi euch frame il is connected by .links K with the legs or standards of s frame F, ns seen in Figs. 29, S0, 31 ond 32, said links .being provided with s series oi perforstions to permit the distance between the frames l?" und H to be adj usted or varied es required to suit shutting ci different dininc ters. Similarly, the upper end oi. euch ironie H is odjnstubly connected with the upper end of each irnme F. but bythe special devices illustrntcd in Figs. 2Q ond 3U. This i'zjfnnection. consists of s divided rod if, the

two sections of which nre connected by :i nut i or tu buckle M. Une rod and nui section d ton threads )er inch the other t ihren ico `reeds per inch, melting minute sdusrinont possible.-

l carried by the upper end of the frame il', whilethc other end is pin-jointed to n volge csrried by the upper end of tremo F, es best sec-n in Figs. 2Q and 30. it will be observed that by tlxis arrangement, und after the graines if, -i, ere-placed. in proper relation through the sdjustmentof the links or conf nections Kli, the grinding-wheel in?2 will beheld against one sido ol: the shutting cause of the bearing of the roller if against fthe other side, the distance between seid roller und the griniilingwheel being equal to tde din-meter of the shefting.

.For the purpose of making s constant contnct ofthe roller l' with the shutting, and forcing .the ygrindirig-wheels sway i'rom the unis of the` shutting, l provide the mechanism shown in Figs. 29 and 30, comprisings divided drowned having one section threaded and screwed into the other, the lat' ter semion being pin-minted tothe upperend ot the swinging freine if", es seen in lig. 29,

T he reir portion oi the rod N is also threaded snd provided with a nut ir?, between which und :i standard y rising from the main freine A. placed e. spiral spring' si', encircling the rod. This spring, beering against the nut 2:2, yids constar to move frame F outward .from the shutting, und by rea-son ol' i', to linove frame H toward and to hold the roller J in contact therewith; hence the grinding-wheel `m2 can never grind any deeper or reduce the shutting' .to any smaller diameter thon determined by the space between the nearest points ofapproech of the grinding-wheel and the roller e' .H passes through the upright?, and 1s lurnished with e collar whips prevents its be- ,l A ing; drawn for verd beyond the point deter- {ne section of the rod pivoted blocli sense? `mined by such collar. It may, however,

cisely es the lrollers El et the receiving endof lthe machine, the pinion b giving motion to a gear wheel U, which corresponds to the gear wheel E at the receiving end ofthe machine.

.Power o1' lmotion will be imparted to the shaft R', by a. belt, from any suitable prime motor, passing about a bend-wheel T on the end of said sha-ft.

T he means for adjusting the rollers Q, including the fluid pressure motor, will be simply ar duplication of the means employed at the receiving end of the machine.

The rollers Q serve not only to drew the shafting forward and deliver it from the msc'hine, but to give that final, rolled surface or Y polish which con be imparted in no other y wav.

fit will be seen from' the foregoing description that the shutting once entered between the rollers H, is automaticellyI passed through the entire machine without `further manipulation, the cutting tools first giving s roughing or preliminary cut to enable the shetting properlyto enter the bushing con dition to prevent injury to the letter; that it then posses successively the third and fourth cutting tools, which more accurately gauge and true it; that itis then acted upon by the V'successive rindinrr and olishinff wheels' g C v D 5 and that it is finally given e rolled finishl and discharged from vthe machine. AIt maybe delivered into any suitablel receptacle, or passed out over rollers or supports of any kind or it may be taken away by attendants.

ll'lenifestly, minor details may be varied, without departing from the spirit or scope .of the invention.

. Tubing and cylindriuil bodies generally shove described.

A prominent and essential fea-ture of my construction is the symmetrical arrangement of all the feeding, rolling, cutting, grinding and polishing elements or devices rvabout s fixed common axis,- which is slso'the axisof 'the shafting operated upon.

may obviouslv he finished by the machine and time would he re uired tobrin 'them intoproper relative e justrnent, wit each change. .This in turn would necessitate lossIv Without'this, j .not-,only would frequent change of rolls'snd The .rear estremityV of rod N their mountinffs be necessary, but core, skillf of time, and expenditure for skilled laborI which would greatly enhance the cost of pro-- duction oi' finished shailingr. Finally, it has been found irnpizuriicahle if' not impossiole to secure the requisite accuracy of adjustment under such conditions. With the eonstruction and arrangement of parts herein set forth, the same rolls are thoroughlyeliectivo for shalting of quite a wide rango of diaincters, and there is an entire absence et' any bending,'crusl'nng, indenting, grinding, or

disiigureinent of the shal'ting by the feeding; rolls, such as is inevitably produced where the shai'ting or other body supported at three points in di'l'erent vertical pianes, or by rolls having portions of unequal diameter hee-rin upon the slnil'ting. By ernpioying rolls lo' cylindricil or practically cylindrical forni, each is caused to have a comparatively long,- bearing upon the shafting, thereby acquiring a good hold Without in the least dis- 4figuring it, but on the contrary rolling down and oeliterating those irreguia ies7 whicl'i exist in minute .tornil even after grinding. While theoretically, two cylinders crossing v each other at even a slight angle touch only `tance or' sevcrai inches.

i shafting, the combination of a suitable frame;

a stand o't' infeeding rolls arranged in spiral order or relation; a steady rest in close proxirnity to the inl'eeding rolls, arranged to receive the. shaiiting directly therefrom cuttingf tools located in close prmiiinity to thc steady rest and serving to roughly gauge toe shafting; a bushing to receive the shaiitinglas it passes from the cutting tools; other cutting tools arranged to act upon and further reduce or gauge .the s'hafting as it emerges frein the bushing; grinding and polishing?Y wheels arranged to act upon the shafting after it passes the cutting tools; steady rests to cen ter, guide and steady the shafting 1n passing the respective grinding wheels; and spirally arranged deliver rolls located in position to receive the sharting as it passes fiom the grinding and 'polishing Wheels, and. serving both to i'ecd the shafting forward and to iinpart a rolled `finish thereto, ail the operating parts being grouped -about a fixed common axis. l

' in. a machine for tinisning shatting, the combination ot' in'leeding rolls having their axes symmetrically arranged about and oblique to a common axis; a steadyirest op- Aemerges :trom

posite the delivery end of said rolls und lniv ing steady rolls with their axes arranged in like oblique relation to said connnon axis; and a cutting tool arranged on the side of the steady rest furthest 'from the ii'ifeedinclr rolls and in close proximity to the rest, in position to act upon the shaftini,r immediately after it emerges from the rest.

3. .in a niachine of the character described, the combination of infeeding rolls havingr their axes obliquely arranged relatively to one another and to the eonnnon axis about which they are set; a steady rest to receive' vthe shafting as it is advanced by the rolls; a1 preliminary cutting tool or tools to act upon and gage the shafting as it emerges from the steady rest; a bushing to receive, center and support the shutting as it passes from the preliminary cutting or gauging tools; and a cutting tool at the delivery end of the bushing to further cut or dress the shalting es it emerges from the bushing, the several de vices being symmetrically grouped about a iixed exis ccnnnon to all. f

4l. in crnnbinntionwith iii-feeding rolls, a steady rest; a post or standard; a ncliminary cutting tool mounted in a tooliiead or carriage carried by said post or standard; a bushing also carried by the post or standard and adapted to receive the sha'ting,r as it passes said cutting tool; and a swinging aggmv pivotaliy mounted upon the post 'orlscandfrd and provided with a tool carriage and cutting tool, and with a roller opposite said cntting tool to bear upon the shaiting as it the bushing and to maintain lthe cutting tool in' proper relation to the shutting.

5. in a machine 'for automatically' advancing, rotating und 'finishing shal'ting, a fixed post or. standard; a cutting tool at the receiving side thereof; a cutting tool at the. de-4 livery' side thereof; and n contrai-,tibio bushingY mounted in said post between the rst and second cutting tools, and provided with external ribs, substantially as and for the purpose set iorth.

(5. In a machine of the character described, the combination of swinging 'frame F grindingr roll m carried thereby; ioll-supnnting frame ll; links or connections IQ, iL', cx-

ending l'rorn trarne ii" to frarnc H; an os cillating plate or head t, provided with journal-boxes or bearings and with arm u, and adapted to ba oscil screws v2 arranged to bear upon the arm and roller J', having;` i s shalt or axle carried in the journal-bearings of plate t?, substantially as set forth.

7. in a machine for producing polished. cy lindrical shaiting, the con'ibination of int'eedinf: rollers arranged with their axes oblique temono another', and to a connnon axis about which they are the scale and roughness from the surface ol` set; cutting toois to remove iff lated in a verticali plane; .r

Aff

f'bror rough shaftng'; grinding' whov ing alzar 'it is subjected tu the uutti'ng tools; uw subsm'bing \\'itn svs.

and'delvery rolls au'anged to nvt upon 'Lw Alfil-Ill? J. MVNCAST iii. shafting afteit' has been {yz-@pared by the g Witmssvs: grindingwhae'ls md to prduce a cold-rolled i .J. l?. 511mm,

finish thereon." i

RICHARD J. BRUCE.

fu wstinun1-whmrw huw sgnvd my arranged to act successively upon the shzzl't.- nume tu tins worum-,mum in thv px'ussm'rc m' 

